1/* ssl/ssl_locl.h */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58/* ==================================================================== 59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core@openssl.org. 82 * 83 * 5. Products derived from this software may not be called "OpenSSL" 84 * nor may "OpenSSL" appear in their names without prior written 85 * permission of the OpenSSL Project. 86 * 87 * 6. Redistributions of any form whatsoever must retain the following 88 * acknowledgment: 89 * "This product includes software developed by the OpenSSL Project 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103 * OF THE POSSIBILITY OF SUCH DAMAGE. 104 * ==================================================================== 105 * 106 * This product includes cryptographic software written by Eric Young 107 * (eay@cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh@cryptsoft.com). 109 * 110 */ 111/* ==================================================================== 112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 113 * ECC cipher suite support in OpenSSL originally developed by 114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. 115 */ 116/* ==================================================================== 117 * Copyright 2005 Nokia. All rights reserved. 118 * 119 * The portions of the attached software ("Contribution") is developed by 120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 121 * license. 122 * 123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 125 * support (see RFC 4279) to OpenSSL. 126 * 127 * No patent licenses or other rights except those expressly stated in 128 * the OpenSSL open source license shall be deemed granted or received 129 * expressly, by implication, estoppel, or otherwise. 130 * 131 * No assurances are provided by Nokia that the Contribution does not 132 * infringe the patent or other intellectual property rights of any third 133 * party or that the license provides you with all the necessary rights 134 * to make use of the Contribution. 135 * 136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 140 * OTHERWISE. 141 */ 142 143#ifndef HEADER_SSL_LOCL_H 144#define HEADER_SSL_LOCL_H 145#include <stdlib.h> 146#include <time.h> 147#include <string.h> 148#include <errno.h> 149 150#include "e_os.h" 151 152#include <openssl/buffer.h> 153#ifndef OPENSSL_NO_COMP 154#include <openssl/comp.h> 155#endif 156#include <openssl/bio.h> 157#include <openssl/stack.h> 158#ifndef OPENSSL_NO_RSA 159#include <openssl/rsa.h> 160#endif 161#ifndef OPENSSL_NO_DSA 162#include <openssl/dsa.h> 163#endif 164#include <openssl/err.h> 165#include <openssl/ssl.h> 166#include <openssl/symhacks.h> 167 168#ifdef OPENSSL_BUILD_SHLIBSSL 169# undef OPENSSL_EXTERN 170# define OPENSSL_EXTERN OPENSSL_EXPORT 171#endif 172 173#define PKCS1_CHECK 174 175#define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ 176 l|=(((unsigned long)(*((c)++)))<< 8), \ 177 l|=(((unsigned long)(*((c)++)))<<16), \ 178 l|=(((unsigned long)(*((c)++)))<<24)) 179 180/* NOTE - c is not incremented as per c2l */ 181#define c2ln(c,l1,l2,n) { \ 182 c+=n; \ 183 l1=l2=0; \ 184 switch (n) { \ 185 case 8: l2 =((unsigned long)(*(--(c))))<<24; \ 186 case 7: l2|=((unsigned long)(*(--(c))))<<16; \ 187 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ 188 case 5: l2|=((unsigned long)(*(--(c)))); \ 189 case 4: l1 =((unsigned long)(*(--(c))))<<24; \ 190 case 3: l1|=((unsigned long)(*(--(c))))<<16; \ 191 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ 192 case 1: l1|=((unsigned long)(*(--(c)))); \ 193 } \ 194 } 195 196#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ 197 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 198 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 199 *((c)++)=(unsigned char)(((l)>>24)&0xff)) 200 201#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ 202 l|=((unsigned long)(*((c)++)))<<16, \ 203 l|=((unsigned long)(*((c)++)))<< 8, \ 204 l|=((unsigned long)(*((c)++)))) 205 206#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ 207 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 208 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 209 *((c)++)=(unsigned char)(((l) )&0xff)) 210 211#define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ 212 *((c)++)=(unsigned char)(((l)>>32)&0xff), \ 213 *((c)++)=(unsigned char)(((l)>>24)&0xff), \ 214 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 215 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 216 *((c)++)=(unsigned char)(((l) )&0xff)) 217 218#define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ 219 *((c)++)=(unsigned char)(((l)>>48)&0xff), \ 220 *((c)++)=(unsigned char)(((l)>>40)&0xff), \ 221 *((c)++)=(unsigned char)(((l)>>32)&0xff), \ 222 *((c)++)=(unsigned char)(((l)>>24)&0xff), \ 223 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 224 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 225 *((c)++)=(unsigned char)(((l) )&0xff)) 226 227#define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \ 228 l|=((BN_ULLONG)(*((c)++)))<<32, \ 229 l|=((BN_ULLONG)(*((c)++)))<<24, \ 230 l|=((BN_ULLONG)(*((c)++)))<<16, \ 231 l|=((BN_ULLONG)(*((c)++)))<< 8, \ 232 l|=((BN_ULLONG)(*((c)++)))) 233 234/* NOTE - c is not incremented as per l2c */ 235#define l2cn(l1,l2,c,n) { \ 236 c+=n; \ 237 switch (n) { \ 238 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ 239 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ 240 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ 241 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ 242 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ 243 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ 244 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ 245 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ 246 } \ 247 } 248 249#define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ 250 (((unsigned int)(c[1])) )),c+=2) 251#define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ 252 c[1]=(unsigned char)(((s) )&0xff)),c+=2) 253 254#define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ 255 (((unsigned long)(c[1]))<< 8)| \ 256 (((unsigned long)(c[2])) )),c+=3) 257 258#define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ 259 c[1]=(unsigned char)(((l)>> 8)&0xff), \ 260 c[2]=(unsigned char)(((l) )&0xff)),c+=3) 261 262/* LOCAL STUFF */ 263 264#define SSL_DECRYPT 0 265#define SSL_ENCRYPT 1 266 267#define TWO_BYTE_BIT 0x80 268#define SEC_ESC_BIT 0x40 269#define TWO_BYTE_MASK 0x7fff 270#define THREE_BYTE_MASK 0x3fff 271 272#define INC32(a) ((a)=((a)+1)&0xffffffffL) 273#define DEC32(a) ((a)=((a)-1)&0xffffffffL) 274#define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ 275 276/* 277 * Define the Bitmasks for SSL_CIPHER.algorithms. 278 * This bits are used packed as dense as possible. If new methods/ciphers 279 * etc will be added, the bits a likely to change, so this information 280 * is for internal library use only, even though SSL_CIPHER.algorithms 281 * can be publicly accessed. 282 * Use the according functions for cipher management instead. 283 * 284 * The bit mask handling in the selection and sorting scheme in 285 * ssl_create_cipher_list() has only limited capabilities, reflecting 286 * that the different entities within are mutually exclusive: 287 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. 288 */ 289 290/* Bits for algorithm_mkey (key exchange algorithm) */ 291#define SSL_kRSA 0x00000001L /* RSA key exchange */ 292#define SSL_kDHr 0x00000002L /* DH cert, RSA CA cert */ /* no such ciphersuites supported! */ 293#define SSL_kDHd 0x00000004L /* DH cert, DSA CA cert */ /* no such ciphersuite supported! */ 294#define SSL_kEDH 0x00000008L /* tmp DH key no DH cert */ 295#define SSL_kKRB5 0x00000010L /* Kerberos5 key exchange */ 296#define SSL_kECDHr 0x00000020L /* ECDH cert, RSA CA cert */ 297#define SSL_kECDHe 0x00000040L /* ECDH cert, ECDSA CA cert */ 298#define SSL_kEECDH 0x00000080L /* ephemeral ECDH */ 299#define SSL_kPSK 0x00000100L /* PSK */ 300#define SSL_kGOST 0x00000200L /* GOST key exchange */ 301 302/* Bits for algorithm_auth (server authentication) */ 303#define SSL_aRSA 0x00000001L /* RSA auth */ 304#define SSL_aDSS 0x00000002L /* DSS auth */ 305#define SSL_aNULL 0x00000004L /* no auth (i.e. use ADH or AECDH) */ 306#define SSL_aDH 0x00000008L /* Fixed DH auth (kDHd or kDHr) */ /* no such ciphersuites supported! */ 307#define SSL_aECDH 0x00000010L /* Fixed ECDH auth (kECDHe or kECDHr) */ 308#define SSL_aKRB5 0x00000020L /* KRB5 auth */ 309#define SSL_aECDSA 0x00000040L /* ECDSA auth*/ 310#define SSL_aPSK 0x00000080L /* PSK auth */ 311#define SSL_aGOST94 0x00000100L /* GOST R 34.10-94 signature auth */ 312#define SSL_aGOST01 0x00000200L /* GOST R 34.10-2001 signature auth */ 313 314 315/* Bits for algorithm_enc (symmetric encryption) */ 316#define SSL_DES 0x00000001L 317#define SSL_3DES 0x00000002L 318#define SSL_RC4 0x00000004L 319#define SSL_RC2 0x00000008L 320#define SSL_IDEA 0x00000010L 321#define SSL_eNULL 0x00000020L 322#define SSL_AES128 0x00000040L 323#define SSL_AES256 0x00000080L 324#define SSL_CAMELLIA128 0x00000100L 325#define SSL_CAMELLIA256 0x00000200L 326#define SSL_eGOST2814789CNT 0x00000400L 327#define SSL_SEED 0x00000800L 328 329#define SSL_AES (SSL_AES128|SSL_AES256) 330#define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) 331 332 333/* Bits for algorithm_mac (symmetric authentication) */ 334#define SSL_MD5 0x00000001L 335#define SSL_SHA1 0x00000002L 336#define SSL_GOST94 0x00000004L 337#define SSL_GOST89MAC 0x00000008L 338 339/* Bits for algorithm_ssl (protocol version) */ 340#define SSL_SSLV2 0x00000001L 341#define SSL_SSLV3 0x00000002L 342#define SSL_TLSV1 SSL_SSLV3 /* for now */ 343 344 345/* Bits for algorithm2 (handshake digests and other extra flags) */ 346 347#define SSL_HANDSHAKE_MAC_MD5 0x10 348#define SSL_HANDSHAKE_MAC_SHA 0x20 349#define SSL_HANDSHAKE_MAC_GOST94 0x40 350#define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA) 351 352/* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX 353 * make sure to update this constant too */ 354#define SSL_MAX_DIGEST 4 355 356#define TLS1_PRF_DGST_SHIFT 8 357#define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT) 358#define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT) 359#define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT) 360#define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1) 361 362/* Stream MAC for GOST ciphersuites from cryptopro draft 363 * (currently this also goes into algorithm2) */ 364#define TLS1_STREAM_MAC 0x04 365 366 367 368/* 369 * Export and cipher strength information. For each cipher we have to decide 370 * whether it is exportable or not. This information is likely to change 371 * over time, since the export control rules are no static technical issue. 372 * 373 * Independent of the export flag the cipher strength is sorted into classes. 374 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now 375 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change 376 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, 377 * since SSL_EXP64 could be similar to SSL_LOW. 378 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the 379 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed 380 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would 381 * be possible. 382 */ 383#define SSL_EXP_MASK 0x00000003L 384#define SSL_STRONG_MASK 0x000001fcL 385 386#define SSL_NOT_EXP 0x00000001L 387#define SSL_EXPORT 0x00000002L 388 389#define SSL_STRONG_NONE 0x00000004L 390#define SSL_EXP40 0x00000008L 391#define SSL_MICRO (SSL_EXP40) 392#define SSL_EXP56 0x00000010L 393#define SSL_MINI (SSL_EXP56) 394#define SSL_LOW 0x00000020L 395#define SSL_MEDIUM 0x00000040L 396#define SSL_HIGH 0x00000080L 397#define SSL_FIPS 0x00000100L 398 399/* we have used 000001ff - 23 bits left to go */ 400 401/* 402 * Macros to check the export status and cipher strength for export ciphers. 403 * Even though the macros for EXPORT and EXPORT40/56 have similar names, 404 * their meaning is different: 405 * *_EXPORT macros check the 'exportable' status. 406 * *_EXPORT40/56 macros are used to check whether a certain cipher strength 407 * is given. 408 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct 409 * algorithm structure element to be passed (algorithms, algo_strength) and no 410 * typechecking can be done as they are all of type unsigned long, their 411 * direct usage is discouraged. 412 * Use the SSL_C_* macros instead. 413 */ 414#define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) 415#define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) 416#define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) 417#define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) 418#define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) 419#define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) 420 421#define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ 422 (a) == SSL_DES ? 8 : 7) 423#define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) 424#define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \ 425 (c)->algo_strength) 426#define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) 427 428 429 430 431/* Mostly for SSLv3 */ 432#define SSL_PKEY_RSA_ENC 0 433#define SSL_PKEY_RSA_SIGN 1 434#define SSL_PKEY_DSA_SIGN 2 435#define SSL_PKEY_DH_RSA 3 436#define SSL_PKEY_DH_DSA 4 437#define SSL_PKEY_ECC 5 438#define SSL_PKEY_GOST94 6 439#define SSL_PKEY_GOST01 7 440#define SSL_PKEY_NUM 8 441 442/* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | 443 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) 444 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) 445 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN 446 * SSL_aRSA <- RSA_ENC | RSA_SIGN 447 * SSL_aDSS <- DSA_SIGN 448 */ 449 450/* 451#define CERT_INVALID 0 452#define CERT_PUBLIC_KEY 1 453#define CERT_PRIVATE_KEY 2 454*/ 455 456#ifndef OPENSSL_NO_EC 457/* From ECC-TLS draft, used in encoding the curve type in 458 * ECParameters 459 */ 460#define EXPLICIT_PRIME_CURVE_TYPE 1 461#define EXPLICIT_CHAR2_CURVE_TYPE 2 462#define NAMED_CURVE_TYPE 3 463#endif /* OPENSSL_NO_EC */ 464 465typedef struct cert_pkey_st 466 { 467 X509 *x509; 468 EVP_PKEY *privatekey; 469 } CERT_PKEY; 470 471typedef struct cert_st 472 { 473 /* Current active set */ 474 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array 475 * Probably it would make more sense to store 476 * an index, not a pointer. */ 477 478 /* The following masks are for the key and auth 479 * algorithms that are supported by the certs below */ 480 int valid; 481 unsigned long mask_k; 482 unsigned long mask_a; 483 unsigned long export_mask_k; 484 unsigned long export_mask_a; 485#ifndef OPENSSL_NO_RSA 486 RSA *rsa_tmp; 487 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize); 488#endif 489#ifndef OPENSSL_NO_DH 490 DH *dh_tmp; 491 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize); 492#endif 493#ifndef OPENSSL_NO_ECDH 494 EC_KEY *ecdh_tmp; 495 /* Callback for generating ephemeral ECDH keys */ 496 EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize); 497#endif 498 499 CERT_PKEY pkeys[SSL_PKEY_NUM]; 500 501 int references; /* >1 only if SSL_copy_session_id is used */ 502 } CERT; 503 504 505typedef struct sess_cert_st 506 { 507 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ 508 509 /* The 'peer_...' members are used only by clients. */ 510 int peer_cert_type; 511 512 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */ 513 CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; 514 /* Obviously we don't have the private keys of these, 515 * so maybe we shouldn't even use the CERT_PKEY type here. */ 516 517#ifndef OPENSSL_NO_RSA 518 RSA *peer_rsa_tmp; /* not used for SSL 2 */ 519#endif 520#ifndef OPENSSL_NO_DH 521 DH *peer_dh_tmp; /* not used for SSL 2 */ 522#endif 523#ifndef OPENSSL_NO_ECDH 524 EC_KEY *peer_ecdh_tmp; 525#endif 526 527 int references; /* actually always 1 at the moment */ 528 } SESS_CERT; 529 530 531/*#define MAC_DEBUG */ 532 533/*#define ERR_DEBUG */ 534/*#define ABORT_DEBUG */ 535/*#define PKT_DEBUG 1 */ 536/*#define DES_DEBUG */ 537/*#define DES_OFB_DEBUG */ 538/*#define SSL_DEBUG */ 539/*#define RSA_DEBUG */ 540/*#define IDEA_DEBUG */ 541 542#define FP_ICC (int (*)(const void *,const void *)) 543#define ssl_put_cipher_by_char(ssl,ciph,ptr) \ 544 ((ssl)->method->put_cipher_by_char((ciph),(ptr))) 545#define ssl_get_cipher_by_char(ssl,ptr) \ 546 ((ssl)->method->get_cipher_by_char(ptr)) 547 548/* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff 549 * It is a bit of a mess of functions, but hell, think of it as 550 * an opaque structure :-) */ 551typedef struct ssl3_enc_method 552 { 553 int (*enc)(SSL *, int); 554 int (*mac)(SSL *, unsigned char *, int); 555 int (*setup_key_block)(SSL *); 556 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int); 557 int (*change_cipher_state)(SSL *, int); 558 int (*final_finish_mac)(SSL *, const char *, int, unsigned char *); 559 int finish_mac_length; 560 int (*cert_verify_mac)(SSL *, int, unsigned char *); 561 const char *client_finished_label; 562 int client_finished_label_len; 563 const char *server_finished_label; 564 int server_finished_label_len; 565 int (*alert_value)(int); 566 } SSL3_ENC_METHOD; 567 568#ifndef OPENSSL_NO_COMP 569/* Used for holding the relevant compression methods loaded into SSL_CTX */ 570typedef struct ssl3_comp_st 571 { 572 int comp_id; /* The identifier byte for this compression type */ 573 char *name; /* Text name used for the compression type */ 574 COMP_METHOD *method; /* The method :-) */ 575 } SSL3_COMP; 576#endif 577 578#ifndef OPENSSL_NO_BUF_FREELISTS 579typedef struct ssl3_buf_freelist_st 580 { 581 size_t chunklen; 582 unsigned int len; 583 struct ssl3_buf_freelist_entry_st *head; 584 } SSL3_BUF_FREELIST; 585 586typedef struct ssl3_buf_freelist_entry_st 587 { 588 struct ssl3_buf_freelist_entry_st *next; 589 } SSL3_BUF_FREELIST_ENTRY; 590#endif 591 592extern SSL3_ENC_METHOD ssl3_undef_enc_method; 593OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[]; 594OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; 595 596 597SSL_METHOD *ssl_bad_method(int ver); 598 599extern SSL3_ENC_METHOD TLSv1_enc_data; 600extern SSL3_ENC_METHOD SSLv3_enc_data; 601extern SSL3_ENC_METHOD DTLSv1_enc_data; 602 603#define SSL_IS_DTLS(s) (s->method->version == DTLS1_VERSION) 604 605#define IMPLEMENT_tls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 606const SSL_METHOD *func_name(void) \ 607 { \ 608 static const SSL_METHOD func_name##_data= { \ 609 TLS1_VERSION, \ 610 tls1_new, \ 611 tls1_clear, \ 612 tls1_free, \ 613 s_accept, \ 614 s_connect, \ 615 ssl3_read, \ 616 ssl3_peek, \ 617 ssl3_write, \ 618 ssl3_shutdown, \ 619 ssl3_renegotiate, \ 620 ssl3_renegotiate_check, \ 621 ssl3_get_message, \ 622 ssl3_read_bytes, \ 623 ssl3_write_bytes, \ 624 ssl3_dispatch_alert, \ 625 ssl3_ctrl, \ 626 ssl3_ctx_ctrl, \ 627 ssl3_get_cipher_by_char, \ 628 ssl3_put_cipher_by_char, \ 629 ssl3_pending, \ 630 ssl3_num_ciphers, \ 631 ssl3_get_cipher, \ 632 s_get_meth, \ 633 tls1_default_timeout, \ 634 &TLSv1_enc_data, \ 635 ssl_undefined_void_function, \ 636 ssl3_callback_ctrl, \ 637 ssl3_ctx_callback_ctrl, \ 638 }; \ 639 return &func_name##_data; \ 640 } 641 642#define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 643const SSL_METHOD *func_name(void) \ 644 { \ 645 static const SSL_METHOD func_name##_data= { \ 646 SSL3_VERSION, \ 647 ssl3_new, \ 648 ssl3_clear, \ 649 ssl3_free, \ 650 s_accept, \ 651 s_connect, \ 652 ssl3_read, \ 653 ssl3_peek, \ 654 ssl3_write, \ 655 ssl3_shutdown, \ 656 ssl3_renegotiate, \ 657 ssl3_renegotiate_check, \ 658 ssl3_get_message, \ 659 ssl3_read_bytes, \ 660 ssl3_write_bytes, \ 661 ssl3_dispatch_alert, \ 662 ssl3_ctrl, \ 663 ssl3_ctx_ctrl, \ 664 ssl3_get_cipher_by_char, \ 665 ssl3_put_cipher_by_char, \ 666 ssl3_pending, \ 667 ssl3_num_ciphers, \ 668 ssl3_get_cipher, \ 669 s_get_meth, \ 670 ssl3_default_timeout, \ 671 &SSLv3_enc_data, \ 672 ssl_undefined_void_function, \ 673 ssl3_callback_ctrl, \ 674 ssl3_ctx_callback_ctrl, \ 675 }; \ 676 return &func_name##_data; \ 677 } 678 679#define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 680const SSL_METHOD *func_name(void) \ 681 { \ 682 static const SSL_METHOD func_name##_data= { \ 683 TLS1_VERSION, \ 684 tls1_new, \ 685 tls1_clear, \ 686 tls1_free, \ 687 s_accept, \ 688 s_connect, \ 689 ssl23_read, \ 690 ssl23_peek, \ 691 ssl23_write, \ 692 ssl_undefined_function, \ 693 ssl_undefined_function, \ 694 ssl_ok, \ 695 ssl3_get_message, \ 696 ssl3_read_bytes, \ 697 ssl3_write_bytes, \ 698 ssl3_dispatch_alert, \ 699 ssl3_ctrl, \ 700 ssl3_ctx_ctrl, \ 701 ssl23_get_cipher_by_char, \ 702 ssl23_put_cipher_by_char, \ 703 ssl_undefined_const_function, \ 704 ssl23_num_ciphers, \ 705 ssl23_get_cipher, \ 706 s_get_meth, \ 707 ssl23_default_timeout, \ 708 &ssl3_undef_enc_method, \ 709 ssl_undefined_void_function, \ 710 ssl3_callback_ctrl, \ 711 ssl3_ctx_callback_ctrl, \ 712 }; \ 713 return &func_name##_data; \ 714 } 715 716#define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 717const SSL_METHOD *func_name(void) \ 718 { \ 719 static const SSL_METHOD func_name##_data= { \ 720 SSL2_VERSION, \ 721 ssl2_new, /* local */ \ 722 ssl2_clear, /* local */ \ 723 ssl2_free, /* local */ \ 724 s_accept, \ 725 s_connect, \ 726 ssl2_read, \ 727 ssl2_peek, \ 728 ssl2_write, \ 729 ssl2_shutdown, \ 730 ssl_ok, /* NULL - renegotiate */ \ 731 ssl_ok, /* NULL - check renegotiate */ \ 732 NULL, /* NULL - ssl_get_message */ \ 733 NULL, /* NULL - ssl_get_record */ \ 734 NULL, /* NULL - ssl_write_bytes */ \ 735 NULL, /* NULL - dispatch_alert */ \ 736 ssl2_ctrl, /* local */ \ 737 ssl2_ctx_ctrl, /* local */ \ 738 ssl2_get_cipher_by_char, \ 739 ssl2_put_cipher_by_char, \ 740 ssl2_pending, \ 741 ssl2_num_ciphers, \ 742 ssl2_get_cipher, \ 743 s_get_meth, \ 744 ssl2_default_timeout, \ 745 &ssl3_undef_enc_method, \ 746 ssl_undefined_void_function, \ 747 ssl2_callback_ctrl, /* local */ \ 748 ssl2_ctx_callback_ctrl, /* local */ \ 749 }; \ 750 return &func_name##_data; \ 751 } 752 753#define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 754const SSL_METHOD *func_name(void) \ 755 { \ 756 static const SSL_METHOD func_name##_data= { \ 757 DTLS1_VERSION, \ 758 dtls1_new, \ 759 dtls1_clear, \ 760 dtls1_free, \ 761 s_accept, \ 762 s_connect, \ 763 ssl3_read, \ 764 ssl3_peek, \ 765 ssl3_write, \ 766 ssl3_shutdown, \ 767 ssl3_renegotiate, \ 768 ssl3_renegotiate_check, \ 769 dtls1_get_message, \ 770 dtls1_read_bytes, \ 771 dtls1_write_app_data_bytes, \ 772 dtls1_dispatch_alert, \ 773 dtls1_ctrl, \ 774 ssl3_ctx_ctrl, \ 775 ssl3_get_cipher_by_char, \ 776 ssl3_put_cipher_by_char, \ 777 ssl3_pending, \ 778 ssl3_num_ciphers, \ 779 dtls1_get_cipher, \ 780 s_get_meth, \ 781 dtls1_default_timeout, \ 782 &DTLSv1_enc_data, \ 783 ssl_undefined_void_function, \ 784 ssl3_callback_ctrl, \ 785 ssl3_ctx_callback_ctrl, \ 786 }; \ 787 return &func_name##_data; \ 788 } 789 790void ssl_clear_cipher_ctx(SSL *s); 791int ssl_clear_bad_session(SSL *s); 792CERT *ssl_cert_new(void); 793CERT *ssl_cert_dup(CERT *cert); 794int ssl_cert_inst(CERT **o); 795void ssl_cert_free(CERT *c); 796SESS_CERT *ssl_sess_cert_new(void); 797void ssl_sess_cert_free(SESS_CERT *sc); 798int ssl_set_peer_cert_type(SESS_CERT *c, int type); 799int ssl_get_new_session(SSL *s, int session); 800int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit); 801int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b); 802DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, 803 ssl_cipher_id); 804int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, 805 const SSL_CIPHER * const *bp); 806STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, 807 STACK_OF(SSL_CIPHER) **skp); 808int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, 809 int (*put_cb)(const SSL_CIPHER *, unsigned char *)); 810STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, 811 STACK_OF(SSL_CIPHER) **pref, 812 STACK_OF(SSL_CIPHER) **sorted, 813 const char *rule_str); 814void ssl_update_cache(SSL *s, int mode); 815int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc, 816 const EVP_MD **md,int *mac_pkey_type,int *mac_secret_size, SSL_COMP **comp); 817int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md); 818int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk); 819int ssl_undefined_function(SSL *s); 820int ssl_undefined_void_function(void); 821int ssl_undefined_const_function(const SSL *s); 822CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); 823X509 *ssl_get_server_send_cert(const SSL *); 824EVP_PKEY *ssl_get_sign_pkey(SSL *,const SSL_CIPHER *); 825int ssl_cert_type(X509 *x,EVP_PKEY *pkey); 826void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); 827STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); 828int ssl_verify_alarm_type(long type); 829void ssl_load_ciphers(void); 830 831int ssl2_enc_init(SSL *s, int client); 832int ssl2_generate_key_material(SSL *s); 833int ssl2_enc(SSL *s,int send_data); 834void ssl2_mac(SSL *s,unsigned char *mac,int send_data); 835const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); 836int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 837int ssl2_part_read(SSL *s, unsigned long f, int i); 838int ssl2_do_write(SSL *s); 839int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data); 840void ssl2_return_error(SSL *s,int reason); 841void ssl2_write_error(SSL *s); 842int ssl2_num_ciphers(void); 843const SSL_CIPHER *ssl2_get_cipher(unsigned int u); 844int ssl2_new(SSL *s); 845void ssl2_free(SSL *s); 846int ssl2_accept(SSL *s); 847int ssl2_connect(SSL *s); 848int ssl2_read(SSL *s, void *buf, int len); 849int ssl2_peek(SSL *s, void *buf, int len); 850int ssl2_write(SSL *s, const void *buf, int len); 851int ssl2_shutdown(SSL *s); 852void ssl2_clear(SSL *s); 853long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg); 854long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 855long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 856long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 857int ssl2_pending(const SSL *s); 858long ssl2_default_timeout(void ); 859 860const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); 861int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 862void ssl3_init_finished_mac(SSL *s); 863int ssl3_send_server_certificate(SSL *s); 864int ssl3_send_newsession_ticket(SSL *s); 865int ssl3_send_cert_status(SSL *s); 866int ssl3_get_finished(SSL *s,int state_a,int state_b); 867int ssl3_setup_key_block(SSL *s); 868int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b); 869int ssl3_change_cipher_state(SSL *s,int which); 870void ssl3_cleanup_key_block(SSL *s); 871int ssl3_do_write(SSL *s,int type); 872int ssl3_send_alert(SSL *s,int level, int desc); 873int ssl3_generate_master_secret(SSL *s, unsigned char *out, 874 unsigned char *p, int len); 875int ssl3_get_req_cert_type(SSL *s,unsigned char *p); 876long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 877int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen); 878int ssl3_num_ciphers(void); 879const SSL_CIPHER *ssl3_get_cipher(unsigned int u); 880int ssl3_renegotiate(SSL *ssl); 881int ssl3_renegotiate_check(SSL *ssl); 882int ssl3_dispatch_alert(SSL *s); 883int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 884int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); 885int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p); 886int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 887void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); 888int ssl3_enc(SSL *s, int send_data); 889int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); 890void ssl3_free_digest_list(SSL *s); 891unsigned long ssl3_output_cert_chain(SSL *s, X509 *x); 892SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt, 893 STACK_OF(SSL_CIPHER) *srvr); 894int ssl3_setup_buffers(SSL *s); 895int ssl3_setup_read_buffer(SSL *s); 896int ssl3_setup_write_buffer(SSL *s); 897int ssl3_release_read_buffer(SSL *s); 898int ssl3_release_write_buffer(SSL *s); 899int ssl3_digest_cached_records(SSL *s); 900int ssl3_new(SSL *s); 901void ssl3_free(SSL *s); 902int ssl3_accept(SSL *s); 903int ssl3_connect(SSL *s); 904int ssl3_read(SSL *s, void *buf, int len); 905int ssl3_peek(SSL *s, void *buf, int len); 906int ssl3_write(SSL *s, const void *buf, int len); 907int ssl3_shutdown(SSL *s); 908void ssl3_clear(SSL *s); 909long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg); 910long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 911long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 912long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 913int ssl3_pending(const SSL *s); 914 915void ssl3_record_sequence_update(unsigned char *seq); 916int ssl3_do_change_cipher_spec(SSL *ssl); 917long ssl3_default_timeout(void ); 918 919int ssl23_num_ciphers(void ); 920const SSL_CIPHER *ssl23_get_cipher(unsigned int u); 921int ssl23_read(SSL *s, void *buf, int len); 922int ssl23_peek(SSL *s, void *buf, int len); 923int ssl23_write(SSL *s, const void *buf, int len); 924int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 925const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); 926long ssl23_default_timeout(void ); 927 928long tls1_default_timeout(void); 929int dtls1_do_write(SSL *s,int type); 930int ssl3_read_n(SSL *s, int n, int max, int extend); 931int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 932int ssl3_do_compress(SSL *ssl); 933int ssl3_do_uncompress(SSL *ssl); 934int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, 935 unsigned int len); 936unsigned char *dtls1_set_message_header(SSL *s, 937 unsigned char *p, unsigned char mt, unsigned long len, 938 unsigned long frag_off, unsigned long frag_len); 939 940int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); 941int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); 942 943int dtls1_send_change_cipher_spec(SSL *s, int a, int b); 944int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); 945unsigned long dtls1_output_cert_chain(SSL *s, X509 *x); 946int dtls1_read_failed(SSL *s, int code); 947int dtls1_buffer_message(SSL *s, int ccs); 948int dtls1_retransmit_message(SSL *s, unsigned short seq, 949 unsigned long frag_off, int *found); 950int dtls1_get_queue_priority(unsigned short seq, int is_ccs); 951int dtls1_retransmit_buffered_messages(SSL *s); 952void dtls1_clear_record_buffer(SSL *s); 953void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr); 954void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); 955void dtls1_reset_seq_numbers(SSL *s, int rw); 956long dtls1_default_timeout(void); 957struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft); 958int dtls1_check_timeout_num(SSL *s); 959int dtls1_handle_timeout(SSL *s); 960const SSL_CIPHER *dtls1_get_cipher(unsigned int u); 961void dtls1_start_timer(SSL *s); 962void dtls1_stop_timer(SSL *s); 963int dtls1_is_timer_expired(SSL *s); 964void dtls1_double_timeout(SSL *s); 965int dtls1_send_newsession_ticket(SSL *s); 966unsigned int dtls1_min_mtu(SSL *s); 967unsigned int dtls1_link_min_mtu(void); 968void dtls1_hm_fragment_free(hm_fragment *frag); 969 970/* some client-only functions */ 971int ssl3_client_hello(SSL *s); 972int ssl3_get_server_hello(SSL *s); 973int ssl3_get_certificate_request(SSL *s); 974int ssl3_get_new_session_ticket(SSL *s); 975int ssl3_get_cert_status(SSL *s); 976int ssl3_get_server_done(SSL *s); 977int ssl3_send_client_verify(SSL *s); 978int ssl3_send_client_certificate(SSL *s); 979int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); 980int ssl3_send_client_key_exchange(SSL *s); 981int ssl3_get_key_exchange(SSL *s); 982int ssl3_get_server_certificate(SSL *s); 983int ssl3_check_cert_and_algorithm(SSL *s); 984#ifndef OPENSSL_NO_TLSEXT 985int ssl3_check_finished(SSL *s); 986#endif 987 988int dtls1_client_hello(SSL *s); 989int dtls1_send_client_certificate(SSL *s); 990int dtls1_send_client_key_exchange(SSL *s); 991int dtls1_send_client_verify(SSL *s); 992 993/* some server-only functions */ 994int ssl3_get_client_hello(SSL *s); 995int ssl3_send_server_hello(SSL *s); 996int ssl3_send_hello_request(SSL *s); 997int ssl3_send_server_key_exchange(SSL *s); 998int ssl3_send_certificate_request(SSL *s); 999int ssl3_send_server_done(SSL *s); 1000int ssl3_check_client_hello(SSL *s); 1001int ssl3_get_client_certificate(SSL *s); 1002int ssl3_get_client_key_exchange(SSL *s); 1003int ssl3_get_cert_verify(SSL *s); 1004 1005int dtls1_send_hello_request(SSL *s); 1006int dtls1_send_server_hello(SSL *s); 1007int dtls1_send_server_certificate(SSL *s); 1008int dtls1_send_server_key_exchange(SSL *s); 1009int dtls1_send_certificate_request(SSL *s); 1010int dtls1_send_server_done(SSL *s); 1011 1012 1013 1014int ssl23_accept(SSL *s); 1015int ssl23_connect(SSL *s); 1016int ssl23_read_bytes(SSL *s, int n); 1017int ssl23_write_bytes(SSL *s); 1018 1019int tls1_new(SSL *s); 1020void tls1_free(SSL *s); 1021void tls1_clear(SSL *s); 1022long tls1_ctrl(SSL *s,int cmd, long larg, void *parg); 1023long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 1024 1025int dtls1_new(SSL *s); 1026int dtls1_accept(SSL *s); 1027int dtls1_connect(SSL *s); 1028void dtls1_free(SSL *s); 1029void dtls1_clear(SSL *s); 1030long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg); 1031 1032long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 1033int dtls1_get_record(SSL *s); 1034int do_dtls1_write(SSL *s, int type, const unsigned char *buf, 1035 unsigned int len, int create_empty_fragement); 1036int dtls1_dispatch_alert(SSL *s); 1037int dtls1_enc(SSL *s, int snd); 1038 1039int ssl_init_wbio_buffer(SSL *s, int push); 1040void ssl_free_wbio_buffer(SSL *s); 1041 1042int tls1_change_cipher_state(SSL *s, int which); 1043int tls1_setup_key_block(SSL *s); 1044int tls1_enc(SSL *s, int snd); 1045int tls1_final_finish_mac(SSL *s, 1046 const char *str, int slen, unsigned char *p); 1047int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 1048int tls1_mac(SSL *ssl, unsigned char *md, int snd); 1049int tls1_generate_master_secret(SSL *s, unsigned char *out, 1050 unsigned char *p, int len); 1051int tls1_alert_code(int code); 1052int ssl3_alert_code(int code); 1053int ssl_ok(SSL *s); 1054 1055#ifndef OPENSSL_NO_ECDH 1056int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs); 1057#endif 1058 1059SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); 1060 1061#ifndef OPENSSL_NO_EC 1062int tls1_ec_curve_id2nid(int curve_id); 1063int tls1_ec_nid2curve_id(int nid); 1064#endif /* OPENSSL_NO_EC */ 1065 1066#ifndef OPENSSL_NO_TLSEXT 1067unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 1068unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 1069int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 1070int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 1071int ssl_prepare_clienthello_tlsext(SSL *s); 1072int ssl_prepare_serverhello_tlsext(SSL *s); 1073int ssl_check_clienthello_tlsext_early(SSL *s); 1074int ssl_check_clienthello_tlsext_late(SSL *s); 1075int ssl_check_serverhello_tlsext(SSL *s); 1076 1077#ifdef OPENSSL_NO_SHA256 1078#define tlsext_tick_md EVP_sha1 1079#else 1080#define tlsext_tick_md EVP_sha256 1081#endif 1082int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, 1083 const unsigned char *limit, SSL_SESSION **ret); 1084#endif 1085EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ; 1086void ssl_clear_hash_ctx(EVP_MD_CTX **hash); 1087int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1088 int maxlen); 1089int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1090 int *al); 1091int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1092 int maxlen); 1093int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1094 int *al); 1095/* s3_cbc.c */ 1096void ssl3_cbc_copy_mac(unsigned char* out, 1097 const SSL3_RECORD *rec, 1098 unsigned md_size,unsigned orig_len); 1099int ssl3_cbc_remove_padding(const SSL* s, 1100 SSL3_RECORD *rec, 1101 unsigned block_size, 1102 unsigned mac_size); 1103int tls1_cbc_remove_padding(const SSL* s, 1104 SSL3_RECORD *rec, 1105 unsigned block_size, 1106 unsigned mac_size); 1107char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); 1108void ssl3_cbc_digest_record( 1109 const EVP_MD_CTX *ctx, 1110 unsigned char* md_out, 1111 size_t* md_out_size, 1112 const unsigned char header[13], 1113 const unsigned char *data, 1114 size_t data_plus_mac_size, 1115 size_t data_plus_mac_plus_padding_size, 1116 const unsigned char *mac_secret, 1117 unsigned mac_secret_length, 1118 char is_sslv3); 1119 1120#endif 1121